IS200DSPXH1DBD处理器模块
值范围：1~32个字符。保持活力1。可选设置2。默认设置为60秒。指定一个保持活动的间隔，以在连接空闲时保持连接活动。值范围：5~86400秒。默认情况下启用未选中复选框以激活此MQTT客户机配置保存单击保存按钮保存设置。定义MQTT消息您可以为发布/订阅MQTT消息定义Last Will Message和可选的Topic Prefix。默认情况下，MQTT消息配置项值设置“描述启用”未选中。选中此框可激活此Last Will消息配置。如果选中此框，则必须进一步指定主题、消息和QoS设置。当MQTT borker检测到MQTT客户机断开连接时，它将向感兴趣的MQTT订阅者发送Last will消息。主题1。所需设置2。默认情况下为空白指定“最后遗嘱”消息的主题。值范围：1~64个字符，包括主题级分隔符“/”，但不包括通配符“+”和“#”。消息1。所需设置2。默认情况下为空指定“最后一封遗嘱”消息的消息内容。值范围：1~256个字符。QoS 1。可选设置2。默认设置为0（立即）选择“最后一次”消息的QoS类型。0（至少一次）：消息将仅发布一次，经纪人和订阅的客户将采取其他步骤来确认已发送的消息，无论是否收到。1（至少一个）：消息至少发布一次直到经纪人或订阅的客户收到确认。2（精确一次）：消息将在两个EW200工业蜂窝网关212级握手中发布给用户一次，以确保只接收到消息的一个副本。主题前缀（可选）1。可选设置2。默认情况下为空指定MQTT消息的主题前缀。值范围：1~64个字符。保存单击保存按钮保存设置。撤消单击“撤消”按钮取消更改。后退单击后退按钮返回上一个配置屏幕。发布消息列表消息列表中最多将显示64条已发布的消息。应用添加按钮后，将显示发布消息配置屏幕。发布消息配置项值设置描述主题1。所需设置2。默认情况下为空白指定“最后遗嘱”消息的主题。值范围：1~64个字符，包括主题级分隔符“/”，但不包括通配符“+”和“#”。主题前缀默认情况下未选中选中此复选框可将预定义的主题前缀添加到MQTT消息中。消息样式1。可选设置2。默认情况下选择手动从下拉列表中选择消息样式。支持的样式有：手动：消息是手动创建的，您可以在下面指定消息内容。系统日志：要发布的消息是设备的系统日志。
Value Range: 1 ~ 32 characters. Keep Alive 1. Optional setting 2. 60 sec is set by default Specify a keep alive interval to keep the connection alive while the connection is idle. Value Range: 5 ~ 86400 sec. Enable Unchecked by default Check the box to activate this MQTT Client configuration Save Click the Save button to save the settings. Define MQTT Message You can define the Last Will Message, and optional Topic Prefix for publishing / subscribing MQTT messages. MQTT Message Configuration Item Value setting Description Enable Unchecked by default. Check the box to activate this Last Will message configuration It the box is checked, you have to further specify Topic, Message, and QoS settings. When the MQTT borker detects that the MQTT client is disconnected, it will send the Last Will message to the interested MQTT subscribers. Topic 1. Required setting 2. Blank by default Specify the topic for the Last Will message. Value Range: 1 ~ 64 characters, including the topic level separator ‘/’, but excluding the wildcards ‘+’ and ‘#’. Message 1. Required setting 2. Blank by default Specify the message content for the Last Will message. Value Range: 1 ~ 256 characters. QoS 1. Optional setting 2. 0 (At once) is set by default Select the QoS type for the Last Will message. 0 (At once): the message will be published only once, and the broker and subscribed client(s) take additional steps to ackwledge the develivery, matter it is received or t. 1 (At least once): the message will be published at least once until ackwledgement is recevied from the broker or subscribed clent(s). 2 (Exactly once): the message will be published to subscriber(s) once in a two- EW200 Industrial Cellular Gateway 212 level handshake to ensure onle one copy of the message is received. Topic Prefix (Optional) 1. Optional setting 2. Blank by default Specify the topic prefix for MQTT message. Value Range: 1 ~ 64 characters. Save Click the Save button to save the settings. Undo Click the Undo button to cancel the changes. Back Click the Back button to go back to previous configuration screen. Publish Message List Up to 64 published messages will be shown in the message list. When the Add button is applied, the Publish Message Configuration screen will appear. Publish Message Configuration Item Value setting Description Topic 1. Required setting 2. Blank by default Specify the topic for the Last Will message. Value Range: 1 ~ 64 characters, including the topic level separator ‘/’, but excluding the wildcards ‘+’ and ‘#’. Topic Prefix Unchecked by default Check the box to add the predefined topic prefix into a MQTT message. Message Style 1. Optional setting 2. Manual is selected by default Select a message style from the dropdown list. The supported styles are: Manual: The message is created manaully, and you can specify the message content below. System Log: The message to be published is the System log of the device.
